Part I

. _In_ Fauna Hawaiiensis, vol. 2, pp. 1-30. Cambridge, England.

1906. Insects at Kilauea, Hawaii. Proc. Hawaiian Ent. Soc., vol. 1, pp. 89-99.

1913. Introduction. Being a review of the land-fauna of Hawaii. _In_ Fauna Hawaiiensis, vol. 1, pp. xv-ccxxviii. Cambridge, England.

PERRIN, W. S.

1906. Preliminary communication on the life-history of _Pleistophora periplanetae_, Lutz and Splendore. Proc. Cambridge [England] Philos. Soc., vol. 13, pp. 204-208.

1906a. Notes on a hitherto undescribed parasite (?) of _Periplaneta orientalis_. Proc. Cambridge [England] Philos. Soc., vol. 13, p. 208.

1906b. Observations on the structure and life-history of _Pleistophora periplanetae_ Lutz and Splendore. Quart. Journ. Micr. Sci., n. s., vol. 49, pp. 615-633, 2 pls.

PESHKOFF, M. A.

1940. Phylogenesis of new microbes _Caryophanon latum_ and _Caryophanon tenue_--organisms which are intermediate between blue-green algae and the bacteria. (In Russian with English summary.) Zhurn. Obsh. Biol., vol. 1, pp. 597-618, 7 pls.

PESSÔA, S. B., and CORRÊA, C.

1926. Notas sobre os _Oxyurus_ parasitas das baratas domesticas, com a descripção de uma nova especie: _Oxyurus australasiae_ n. sp. Mem. Inst. Butantan, São Paulo, vol. 3, pp. 71-74. (French summary, pp. 75-76.) [Summary in Rev. Biol. e Hyg., São Paulo, 1927, vol. 1, pp. 105-106.]

1927. Sobre a disseminação de cystos de _Giardia intestinalis_ (Lambl.) pelas baratas. Rev. Biol. e Hyg., São Paulo, vol. 1, pp. 90-93. (Abstract in Trop. Dis. Bull., 1927, vol. 24, p. 871.)

1928. Nota sobre a biologia da _Rhyparobia maderae_ Fabr. Rev. de Biol. e Hyg., São Paulo, vol. 1, No. 3, pp. 83-87. (English summary.)

1928. Nota sobre a biologia da _Rhyparobia maderae_, Fabr. Rev. Biol. e Sci. Med., Rio de Janeiro, vol. 7, pp. 304-305.

PETCH, T.

1924. Studies in entomogenous fungi. IV. Some Ceylon _Cordyceps_. Trans. British Mycol. Soc., vol. 10, pp. 28-45, 1 pl.

PETERSON, A.

1956. Fishing with natural insects. An angler's guide to useful and interesting information about many common insects and a few imitation lures that fishermen use for bait. 176 pp. Columbus, Ohio.

PETRI, L. H.

1950. Life cycle of _Physaloptera rara_ Hall and Wigdor, 1918 (Nematoda: Spiruroidea) with the cockroach, _Blatella germanica_, serving as the intermediate host. Trans. Kansas Acad. Sci., vol. 53, pp. 331-337.

PETRI, L. H., and AMEEL, D. J.

1950. Studies on the life cycle of _Physaloptera rara_ Hall and Wigdor, 1918, and _Physaloptera praeputialis_ Linstow, 1889. Journ. Parasitol., vol. 36, No. 6, sect. 2, p. 40.

PETRUNKEVITCH, A.

1930. The spiders of Porto Rico. Part II . Trans. Connecticut Acad. Arts, Sci., vol. 30, pp. 159-355.

1930a. The spiders of Porto Rico.